Understanding the effect of short-chain branches by analyzing viscosity functions of linear and short-chain branched polyethylenes

Korea Australia Rheology Journal

Volumn 23, Issue 4, 2011, Pages 185-193

  Stadler, Florian J ^a,b   Mahmoudi, Tahmineh ^a  

^a Chonbuk National University   (South Korea)

^b UNIVERSITY OF ERLANGEN NUREMBERG   (Germany)

Author keywords

Carreau Yasuda fit; Characteristic relaxation time; Metallocene catalyst; Normalization; Polyethylene

Indexed keywords

EID: 80255130537     PISSN: 1226119X     EISSN: 20937660     Source Type: Journal    
DOI: 10.1007/s13367-011-0023-5     Document Type: Article

References (53)

1. Arikan, B., F.J. Stadler, J. Kaschta, H. Münstedt, and W. Kaminsky, 2007, Synthesis and characterization of ethene-graftethene-/ propene-copolymers, Macromolecular Rapid Communications 28(14), 1472-1478.
2. Böhm, L.L., 2003, The ethylene polymerization with Ziegler catalysts: Fifty years after the discovery, Angewandte Chemie: International Edition 42(41), 5010-5030.
3. Brant, P., J.A.M. Canich, A.J. Dias, R.L. Bamberger, G.F. Licciardi, and P.M. Henrichs, 1994, Long-chain branched polymers and a process to make long-chain branched polymers, Int Pat Appl WO 94/07930.
4. Breslow, D.S. and N.R. Newberg, 1957, Journal of American Chemical Society 79, 5072.
5. Carreau, P.J., 1972, Rheological equations from molecular network theories, Transactions of the Society of Rheology 16(1), 99-127.
6. Chen, X., F.J. Stadler, H. Münstedt, and R.G. Larson, 2010, Method for obtaining tube model parameters for commercial ethene/alpha-olefin copolymers, Journal of Rheology 54(2), 393-406.
7. Coates, G.W., 2000, Precise control of polyolefin stereochemistry using single-site metal catalysts, Chemical Reviews 100(4), 1223-1252.
8. Das, C., N.J. Inkson, D.J. Read, M.A. Kelmanson, and T.C.B. McLeish, 2006, Computational linear rheology of general branch-on-branch polymers, Journal of Rheology 50(2), 207-235.
9. Dealy, J. and R.G. Larson, 2006, Structure and rheology of molten polymers-from structure to flow behavior and back again, Munich, Hanser.
10. Fetters, L.J., D.J. Lohse, and W.W. Graessley, 1999, Chain dimensions and entanglement spacings in dense macromolecular sytems, Journal of Polymer Science Part B: Polymer Physics 37, 1023-1033.
11. Gabriel, C. and H. Münstedt, 1999, Creep recovery behavior of metallocene linear low-density polyethylenes, Rheologica Acta 38(5), 393-403.
12. Gabriel, C., E. Kokko, B. Löfgren, J. Seppälä, and H. Münstedt, 2002, Analytical and rheological characterization of long-chain branched metallocene-catalyzed ethylene homopolymers, Polymer 43(24), 6383-6390.
13. Gabriel, C. and H. Münstedt, 2002, Influence of long-chain branches in polyethylenes on linear viscoelastic flow properties in shear, Rheologica Acta 41(3), 232-244.
14. Garcia-Franco, C.A., B.A. Harrington, and D.J. Lohse, 2005, On the rheology of ethylene-octene copolymers, Rheologica Acta 44(6), 591-599.
15. Guzman, J.D., J.D. Schieber, and R. Pollard, 2005, A regularization-free method for the calculation of molecular weight distributions from dynamic moduli data, Rheologica Acta 44(4), 342-351.
16. Heuer, B. and W. Kaminsky, 2005, Alternating ethene/propene copolymers by C-1-symmetric metallocene/MAO catalysts, Macromolecules 38(8), 3054-3059.
17. 2 catalysts, Macromolecular Chemistry and Physics 205(9), 1167-1173.
18. Jordens, K., G.L. Wilkes, J. Janzen, D.C. Rohlfing, and M.B. Welch, 2000, The influence of molecular weight and thermal history on the thermal, rheological, and mechanical properties of metallocene-catalyzed linear polyethylenes, Polymer 41 (19), 7175-7192.
19. Kaminsky, W., C. Piel, and K. Scharlach, 2005, Polymerization of ethene and longer chained olefins by metallocene catalysis, Macromolecular Symposia 226(1), 25-34.
20. Kaschta, J. and F.R. Schwarzl, 1994a, Calculation of discrete retardation spectra from creep data: 1. Method, Rheologica Acta 33(6), 517-529.
21. Kaschta, J. and F.R. Schwarzl, 1994b, Calculation of discrete retardation spectra from creep data: 2. Analysis of measured creep curves, Rheologica Acta 33(6), 530-541.
22. Kazatchkov, I.B., N. Bohnet, S.K. Goyal, and S.G. Hatzikiriakos, 1999, Influence of molecular structure on the rheological and processing behavior of polyethylene resins, Polymer Engineering and Science 39(4), 804-815.
23. 2/MAO: Influence of the comonomer chain length, Macromolecules 27(22), 6254-6258.
24. Lai, S.Y., J.R. Wilson, G.W. Knight, J.C. Stevens, and P.W.S. Chum, 1993, Elastic substantially linear olefin polymers, U.S. Patent 5,272,236.
25. 2/ MAO, Macromolecules 31(24), 8448-8454.
26. Malmberg, A., J. Liimatta, A. Lehtinen, and B. Löfgren, 1999, Characteristics of long chain branching in ethene polymerization with single site catalysts, Macromolecules 32(20), 6687-6696.
27. Mülhaupt, R., 2003, Catalytic polymerization and post polymerization catalysis fifty years after the discovery of Ziegler's catalysts. Macromolecular Chemistry and Physics 204, 289-327.
28. Park, S.J., S. Shanbhag, and R.G. Larson, 2005, A hierarchical algorithm for predicting the linear viscoelastic properties of polymer melts with long-chain branching, Rheologica Acta 44 (3), 319-330.
29. Piel, C., F.J. Stadler, J. Kaschta, S. Rulhoff, H. Münstedt, and W. Kaminsky, 2006a, Structure-property relationships of linear and long-chain branched metallocene high-density polyethylenes and SEC-MALLS, Macromolecular Chemistry and Physics 207(1), 26-38.
30. Piel, C., P. Starck, J.V. Seppälä, and W. Kaminsky, 2006b, Thermal and mechanical analysis of metallocene-catalyzed ethylene-α-olefin copolymers: The influence of length and number of the crystallizing side-chains, Journal of Polymer Science Part A: Polymer Chemistry 44(5), 1600-1612.
31. Resconi, L., L. Cavallo, A. Fait, and F. Piemontesi, 2000, Selectivity in propene polymerization with metallocene catalysts, Chemical Reviews 100(4), 1253-1345.
32. Schulze, D., T. Roths, and C. Friedrich, 2005, Classification of model topologies using the delta versus G* plot, Rheologica Acta 44(5), 485-494.
33. Sinn, H. and W. Kaminsky, 1980, Ziegler-Natta catalysis, Advances in Organometallic Chemistry 18 99-149.
34. Sperber, O. and W. Kaminsky, 2003, Synthesis of long-chain branched comb-structured polyethylene from ethylene by tandem action of two single-site catalysts, Macromolecules 36 (24), 9014-9019.
35. Stadler, F.J., J. Kaschta, H. Münstedt, 2005, Dynamic-mechanical behavior of polyethylenes and ethene-/α-olefin-copolymers: Part I: α'-Relaxation, Polymer 46 (23), 10311-10320.
36. Stadler, F.J., C. Piel, W. Kaminsky, and H. Münstedt, 2006a, Rheological characterization of long-chain branched polyethylenes and comparison with classical analytical methods, Macromolecular Symposia 236(1), 209-218.
37. Stadler, F.J., C. Piel, J. Kaschta, S. Rulhoff, W. Kaminsky, and H. Münstedt, 2006b, Dependence of the zero shear-rate viscosity and the viscosity function of linear high density polyethylenes on the mass-average molar mass and polydispersity, Rheologica Acta 45(5), 755-764.
38. Stadler, F.J., C. Piel, K. Klimke, J. Kaschta, M. Parkinson, M. Wilhelm, W. Kaminsky, and H. Münstedt, 2006c, Influence of type and content of very long comonomers on long-chain branching of ethene-/α-olefin copolymers, Macromolecules 39 (4), 1474-1482.
39. Stadler, F.J., C. Gabriel, and H. Münstedt, 2007, Influence of short-chain branching of polyethylenes on the temperature dependence of rheological properties in shear, Macromolecular Chemistry and Physics 208(22), 2449-2454.
40. Stadler, F.J. and H. Münstedt, 2008a, Erratum to "Numerical description of shear viscosity functions of long-chain branched metallocene-catalyzed polyethylenes". Journal of non-Newtonian Fluid Mechanics 151, 227.
41. Stadler, F.J. and H. Münstedt, 2008b, Numerical description of shear viscosity functions of long-chain branched metallocenecatalyzed polyethylenes, Journal of non-Newtonian Fluid Mechanics 151, 129-135.
42. Stadler, F.J. and H. Münstedt, 2008c, Terminal viscous and elastic rheological characterization of ethene-/α-olefin copolymers, Journal of Rheology 52(3), 697-712.
43. Stadler, F.J. and E. van Ruymbeke, 2010, An improved method to obtain direct rheological evidence of monomer density reequilibration for entangled polymer melts, Macromolecules 43(21), 9205-9209.
44. Trinkle, S., P. Walter, and C. Friedrich, 2002, Van Gurp-Palmen Plot II-Classification of long chain branched polymers by their topology, Rheologica Acta 41(1-2), 103-113.
45. Tuminello, W.H., 1986, Molecular weight and molecular weight distribution from dynamic measurements of polymer melts, Polymer Engineering and Science 26.
46. van Gurp, M. and J. Palmen, 1998, Time-temperature superposition for polymeric blends, Rheology Bulletin 67(1), 5-8.
47. van Ruymbeke, E., R. Keunings, V. Stephenne, A. Hagenaars, and C. Bailly, 2002, Evaluation of reptation models for predicting the linear viscoelastic properties of entangled linear polymers, Macromolecules 35(7), 2689-2699.
48. van Ruymbeke, E., M. Kapnistos, D. Vlassopoulos, T.Z. Huang, and D.M. Knauss, 2007, Linear melt rheology of pom-pom polystyrenes with unentangled branches, Macromolecules 40 (5), 1713-1719.
49. Vega, J.F., A. Munoz-Escalona, A. Santamaria, M.E. Munoz, and P. Lafuente, 1996, Comparison of the rheological properties of metallocene-catalyzed and conventional high-density polyethylenes, Macromolecules 29(3), 960-965.
50. Walter, P., S. Trinkle, and R. Mülhaupt, 2001, Influence of zirconocene structure and propene content on melt rheology of polyethene and ethene/propene copolymers, Polymer 46, 205-213.
51. Wang, Z.W., X. Chen, and R.G. Larson, 2010, Comparing tube models for predicting the linear rheology of branched polymer melts, Journal of Rheology 54(2), 223-260.
52. Wood-Adams, P.M., J.M. Dealy, A.W. deGroot, and O.D. Redwine, 2000, Effect of molecular structure on the linear viscoelastic behavior of polyethylene, Macromolecules 33(20), 7489-7499.
53. Yasuda, K., R.C. Armstrong, and R.E. Cohen, 1981, Investigation of the analogies between viscometric and linear viscoelastic properties of polystyrene, Rheologica Acta 20, 163-178.